A mirror driver is a display driver for a virtual device that mirrors the drawing operations of one or more additional physical display devices.
When video mirroring is active, each time the system draws to the primary video device at a location inside the mirrored area, a copy of the draw operation is executed on the mirrored video device in real-time.
Mirror drivers are based on the Windows XP display driver model. The new Desktop Window Manager in Windows Vista is using the Windows Vista Windows Display Driver Model that is not supported by mirror drivers technology. Therefore, while a mirror driver is active, Windows disables Desktop Window Manager and Windows Aero.
Mirror driver is used in screen readers such as JAWS, Window-Eyes and FreedomBox; the monitoring software LanSchool; and remote desktop software such as Timbuktu, LogMeIn, UltraVNC, TightVNC, Radmin and RemotePC.
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I am satisfied with that,
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Before that brief gleam of its life be gone....”
—William Butler Yeats (1865–1939)
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—James Kenneth Stephens (1882–1950)